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目的：探讨高频彩色多普勒超声诊断小儿肠系膜淋巴结炎的临床应用价值。方法回顾2014年1至10月经我院高频彩超检查临床确诊为小儿肠系膜淋巴结炎的84例门诊患儿，对其二维超声图像及彩色多普勒检查结果进行分析。结果患儿腹腔内发现肿大淋巴结，以右下腹及脐周为主，纵径10～29mm，横径5～10mm，纵横比＞2，形态规则，CDFI可清晰显示其内血流情况。结论高频彩超是诊断小儿肠系膜淋巴结炎的首选辅助检查方法，为临床诊断和治疗提供可靠依据。“,”objective To study high frequency color doppler ultrasound in the diagnosis of pediatric mesenteric lymphadenitis in the clinical application value. Methods review of 1 to 10, 2014 menstrual clinical diagnosed with high frequency colour to exceed examination of 84 cases of outpatient pediatric mesenteric lymphadenitis were the two-dimensional ultrasound images and color doppler examination results were analyzed. The results found in children with abdominal sweling lymph nodes, with right lower abdomen and periumbilical is given priority to, the longitudinal diameter of 10~29 mm, the transverse diameter 5~10 mm, aspect ratio > 2, morphological rules, of a CDFI can display its blood flow. Conclusion high frequency exceeds is the first choice for diagnosis of pediatric mesenteric lymphadenitis, auxiliary examination methods, to provide reliable basis for clinical diagnosis and treatment.